I think Ron makes a good point, by the time you pay to install six sleeves(labor + sleeves), you will be very close to paying for a set of pistons from Ross, Venolia, etc. I have seen sleeves split the block between two cylinders before when installed with as little as .001-.0015 interference. I have, however done it before with no problems with multiple sleeves, but that one incident has always made me think about just going larger with custom pistons vs. sleeving all cylinders....Just a thought!
